diff --git a/src/prefix.h.in b/src/prefix.h.in
index 4631a2d0312f2..e3f3bdbaa9cd4 100644
--- a/src/prefix.h.in
+++ b/src/prefix.h.in
@@ -1 +1 @@
-#define PREFIX "@PREFIX@"
+#define PREFIX "@CMAKE_INSTALL_PREFIX@"